This document is the SC-740 StormTech Cross Section. An acceptable fill material chart, with cross section detail and notes provided.

Acceptable fill material chart shows material location, description, AASHTO material classifications and compaction/density requirements. Notes discuss AASHTO designations are for gradations only, compaction requirements, infiltration surfaces, finished grade layers and proper use of recycled concrete aggregate.

A cross section of chamber with fill materials is shown. It represents minimum requirements for installation.

Additional notes discuss ASTM F2418 requirements, design standards, site engineer responsibilities, perimeter stone direction and requirements for handling/installation.